hass-workstation-service/UserInterface/Views/SensorSettings.axaml

<UserControl xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             mc:Ignorable="d" d:DesignWidth="500" d:DesignHeight="450"
             x:Class="UserInterface.Views.SensorSettings">

    <Grid RowDefinitions="Auto, *, Auto, Auto" Margin="30 30 30 10" >
        <TextBlock Grid.Row="0" Margin="0 0 0 15" FontSize="18" FontWeight="Bold" Text="Sensors"/>
        <DataGrid Grid.Row="1" x:Name="Grid" IsVisible="{Binding ConfiguredSensors.Count}"
                  AutoGenerateColumns="False" IsReadOnly="True" SelectionMode="Single"
                  Items="{Binding ConfiguredSensors}">
            <DataGrid.Columns>
                <DataGridTextColumn Header="Name"
                                    Binding="{Binding Name}"
                                    Width="1*" />
                <DataGridTextColumn Header="Type"
                                    Binding="{Binding Type}"
                                    Width="1*" />
                <DataGridTextColumn Header="Update Interval"
                                    Binding="{Binding UpdateInterval}"
                                    Width="1*" />
                <DataGridTextColumn Header="Value"
                                    Binding="{Binding ValueString}"
                                    Width="2*" />
            </DataGrid.Columns>
        </DataGrid>
        <TextBlock Grid.Row="2" IsVisible="{Binding !ConfiguredSensors.Count}" Text="Add some sensors by clicking the 'Add' button."/>
        <StackPanel Grid.Row="3" Orientation="Horizontal" HorizontalAlignment="Right">
            <Button Width="75" Margin="10 10 0 0" Click="AddSensor" Content="Add"/>
            <Button Width="75" Margin="10 10 0 0" Click="EditSensor" Content="Edit" IsVisible="False"/>
            <Button Width="75" Margin="10 10 0 0" Click="DeleteSensor" Content="Delete"/>
        </StackPanel>
    </Grid>
</UserControl>